Home / 12,673.13-17,482.84-8,198.28

Finding the Fourth Proportional to 12,673.13, 17,482.84 and 8,198.28

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Solution

The fourth proportional to 12,673.13, 17,482.84 and 8,198.28 is: 11,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.13 : 17,482.84 = 8,198.28 : x
  2. Step 2: Convert to fraction form
    12,673.13/17,482.84 = 8,198.28/x
  3. Step 3: Cross multiply
    12,673.13x = 17,482.84 × 8,198.28
  4. Step 4: Simplify right side
    12,673.13x = 143,329,197.02
  5. Step 5: Solve for x
    x = 143,329,197.02/12,673.13
  6. Step 6: Final answer
    x = 11,309.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.